package com.zzyl.nursing.service.impl;

import java.util.HashMap;
import java.util.List;

import cn.hutool.core.collection.ListUtil;
import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.zzyl.common.exception.base.BaseException;
import com.zzyl.common.utils.StringUtils;
import com.zzyl.common.utils.UserThreadLocal;
import com.zzyl.framework.web.service.TokenService;
import com.zzyl.nursing.domain.Elder;
import com.zzyl.nursing.domain.FamilyMemberElder;
import com.zzyl.nursing.dto.FamilyMemberElderDto;
import com.zzyl.nursing.dto.UserLoginRequestDto;
import com.zzyl.nursing.mapper.ElderMapper;
import com.zzyl.nursing.mapper.FamilyMemberElderMapper;
import com.zzyl.nursing.service.WechatService;
import com.zzyl.nursing.vo.LoginVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.FamilyMemberMapper;
import com.zzyl.nursing.domain.FamilyMember;
import com.zzyl.nursing.service.IFamilyMemberService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 老人家属Service业务层处理
 *
 * @author zzyl
 * @date 2025-08-16
 */
@Service
public class FamilyMemberServiceImpl extends ServiceImpl<FamilyMemberMapper, FamilyMember> implements IFamilyMemberService {

    @Autowired
    private WechatService wechatService;

    @Autowired
    private TokenService tokenService;

    @Autowired
    private ElderMapper elderMapper;
    @Autowired
    private FamilyMemberElderMapper familyMemberElderMapper;




    static List<String> DEFAULT_NICKNAME_PREFIX = ListUtil.of(
            "生活更美好",
            "大桔大利",
            "日富一日",
            "好柿开花",
            "柿柿如意",
            "一椰暴富",
            "大柚所为",
            "杨梅吐气",
            "天生荔枝"
    );


    /**
     * 家属绑定
     *
     * @param familyMemberElderDto
     * @return
     */
    @Override
    public int bangding(FamilyMemberElderDto familyMemberElderDto) {
        FamilyMemberElder familyMemberElder = new FamilyMemberElder();
        //1.先获取当前登陆人的id
        Long userId = UserThreadLocal.getUserId();
        familyMemberElder.setFamilyMemberId(userId);
        //2.根据老人姓名和老人身份证号查询老人
        Elder elder = elderMapper.selectOne(
                new LambdaQueryWrapper<Elder>()
                        .eq(Elder::getName, familyMemberElderDto.getName())
                        .eq(Elder::getIdCardNo, familyMemberElderDto.getIdCard())
        );
        //3.判断老人是否存在
        if (ObjectUtil.isEmpty(elder)){
            throw new BaseException("该老人不存在");
        }
        familyMemberElder.setElderId(elder.getId());
        //4.设置称呼
        familyMemberElder.setRemark(familyMemberElderDto.getRemark());
        //5.保存结果返回
        return familyMemberElderMapper.insert(familyMemberElder);

    }

    /**
     * 小程序端登录
     *
     * @param userLoginRequestDto
     * @return
     */
    public LoginVo login(UserLoginRequestDto userLoginRequestDto) {
        //1.调用微信api获取code 和 openId
        String openId = wechatService.getOpenid(userLoginRequestDto.getCode());

        //2.根据openId查询数据库 查询用户
        LambdaQueryWrapper<FamilyMember> familyMemberLambdaQueryWrapper = new LambdaQueryWrapper<FamilyMember>();
        familyMemberLambdaQueryWrapper.eq(FamilyMember::getOpenId, openId);

        FamilyMember familyMember = getOne(familyMemberLambdaQueryWrapper);

        //如果用户为空 证明第一次登录  将用户的openId保存到数据库中
        if (ObjectUtil.isEmpty(familyMember)) {
//            FamilyMember member = new FamilyMember();
//            member.setOpenId(openId);
            familyMember = FamilyMember.builder().openId(openId).build();
        }
        //调用api获取用户绑定的手机号
        String phone = wechatService.getPhone(userLoginRequestDto.getPhoneCode());

        //保存用户
        saveOrUpdateFamilyMember(familyMember, phone);

        //将用户id存入token,返回
        HashMap<String, Object> claims = new HashMap<>();
        claims.put("userId", familyMember.getId());
        claims.put("nickName", familyMember.getName());

        //封装loginVo对象
        String token = tokenService.createToken(claims);
        LoginVo loginVo = new LoginVo();
        loginVo.setToken(token);
        loginVo.setNickName(familyMember.getName());
        return loginVo;


    }

    private void saveOrUpdateFamilyMember(FamilyMember member, String phone) {
        // 1.判断取到的手机号与数据库中保存的手机号不一样
        if (ObjectUtil.notEqual(phone, member.getPhone())) {
            // 修改手机号
            member.setPhone(phone);
        }
        // 2.判断id存在，则修改
        if (ObjectUtil.isNotEmpty(member.getId())) {
            updateById(member);
            return;
        }
        // 3.id不存在，保存新用户
        // 随机组装昵称，词组+手机号后四位
        String nickName = DEFAULT_NICKNAME_PREFIX.get((int) (Math.random() * DEFAULT_NICKNAME_PREFIX.size()))
                + StringUtils.substring(member.getPhone(), 7);

        member.setName(nickName);
        save(member);
    }
}
